# # coding=utf8
# # 1. 打开 - 文件名需要注意大小写
# file = open("小重山",encoding='utf8')
#
# # 2. 读取
# text = file.read()
# print(text)
#
# # 3. 关闭
# file.close()

file = open("小重山",encoding='utf8')
while True:
    text =  file.readline()
    if 'z'in text:
        text = file.readline()
        print(text, end='')
        break

    # if not text:
    #     break
    print(text,end='')
file.close()